Did you mean:
person:(feng, peng)
•
person:(feng, jing)
•
person:(feng, ming)
•
person:(feng, ding)
Mechanism for popping up and opening brake parachute of aircraft
Connector socket for secondary positioning of contact element
Multi-sensing robot for underwater detection and use method
Self-balancing hoisting device for building construction
Straddle type monorail five-axle drive bogie system, rail vehicle and rail system
Segmented insulator and high-speed overhead rigid contact network